PN Z04520-2020-12 P 空氣純度保護(hù) 火焰離子化氣相色譜法測(cè)定工作場(chǎng)所乙酸正丁酯及其異構(gòu)體:乙酸異丁酯和乙酸仲丁酯
Air purity protection -- Determination of n-butyl acetate and its isomers: isobutyl acetate and sec-butyl acetate in workplaces by gas chromatography with flame-ionization detection